//第一部分
#main-one {
	height: 50px;
	line-height: 50px;
	border-bottom: 2px solid #dddddd;
	display: flex;
	align-items: center;
	justify-content: space-evenly;

	a {
		font-size: 18px;
		text-decoration: none;
	}
	.active {
		font-weight: bold;
		color: #4294ff;
		border-bottom: 2px solid #4294ff;
	}
}
a {
	color: #000;
	text-decoration: none;
}
